package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.anno.AutoFill;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.entity.Setmeal;
import com.sky.enumeration.OperationType;
import com.sky.vo.DishVO;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Options;
import org.apache.ibatis.annotations.Select;

import java.util.List;
import java.util.Map;

@Mapper
public interface DishMapper {

    /**
     * 根据分类id查询菜品数量
     * @param categoryId
     * @return
     */
    @Select("select count(id) from dish where category_id = #{categoryId}")
    Integer countByCategoryId(Long categoryId);

    /**
     * 新增菜品
     * @param dish
     */
    @AutoFill(OperationType.INSERT)  //公共字段自动填充
    @Options(useGeneratedKeys = true,keyProperty = "id") //获取主键值，并且赋值给id属性
    @Insert("insert into dish values (null,#{name},#{categoryId},#{price},#{image},#{description},#{status},#{createTime}," +
            "#{updateTime},#{createUser},#{updateUser})")
    void insert(Dish dish);

    /**
     * 菜品分页查询，需要查出菜品所属分类名称
     * select t1.*,t2.name from dish t1,category t2 where t1.category_id = t2.id
     * @param dto
     * @return
     */
    Page<DishVO> page(DishPageQueryDTO dto);

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    Dish selectById(Long id);

    /**
     * 批量删除
     * @param ids
     */
    void deleteBatch(List<Long> ids);

    /**
     * 修改菜品
     * @param dish
     */
    @AutoFill(OperationType.UPDATE)
    void update(Dish dish);

    List<Dish> listBy(Dish dish);

    List<Setmeal> list(Integer categoryId);

    Integer countByMap(Map map);
}
